The six-member crew of the International Space Station was told to seek shelter in two Russian Soyuz spacecraft early Tuesday because of a predicted close approach by an unknown piece of space debris. Read More...

An unmanned Russian Progress cargo ship glided to a smooth automated docking with the the International Space Station Thursday, two days after launch from the Baikonur Cosmodrome in Kazakhstan. Read More...

With the Atlantis astronauts on hand for a practice countdown Thursday, engineers are making good progress with work to inspect beefed-up ribs in the shuttle's external tank and to replace a leaking main engine fuel valve. Read More...

A Russian Progress cargo ship loaded with three tons of supplies and equipment bound for the International Space Station blasted off from the Baikonur Cosmodrome Tuesday. Docking is expected Thursday. Read More...

Astronaut Mark Kelly, commander of the shuttle Endeavour's final mission and husband of Arizona Rep. Gabrielle Giffords, gravely wounded in a January assassination attempt, will retire from NASA and the Navy on Oct. 1. Read More...

The shuttle Atlantis' crew flew to the Kennedy Space Center Monday to review emergency procedures and participate in a dress-rehearsal countdown Thursday, a major milestone on the road to launch July 8. Read More...

After a delay to assess the impact of overnight thunderstorms, engineers pressed ahead with a fueling test Wednesday to verify the integrity of structural stiffeners in the shuttle Atlantis' external tank. Read More...

NASA's Chandra X-Ray Observatory satellite has detected super massive black holes in the dusty cores of numerous galaxies that formed within a billion years of the big bang birth of the universe. Read More...

NASA's twin Voyager spacecraft, approaching the edge of the solar system, have detected signs of what may be gigantic magnetic bubbles at the interface between the sun's influence and interstellar space. Read More...

NASA has released dramatic photographs of the shuttle Endeavour docked at the International Space Station that were shot during the departure of the Russian Soyuz TMA-20 spacecraft May 23. Read More...

A Russian Soyuz spacecraft carrying a veteran cosmonaut, a Japanese physician-astronaut and a NASA shuttle veteran blasted off from the Baikonur Cosmodrome Tuesday, bound for the International Space Station. Read More...